Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

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Qingdao Port
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TT or LC
Min Order Qty:
25M.T. m.t.
Supply Capability:
200000M.T./Year m.t./month

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Product Description:

Mechanical Properties of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

Code

Nominal diameter

Impact test

Ak,J

Falling ball impact fatigue life

HRC

Surface

Heart

HN-75MNCr

≤90

>12

≥10000

≥62

≥58

>90

≥58

≥55

HN-40MNCr

≤90

≥12

≥10000

≥55

≥52

>90

≥52

≥50

HN-65MN

≤90

≥12

≥10000

≥60

≥42

>90

≥58

≥40

 

Chemical Composition of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

Model

C

Mn

Si

Cr

S

P

Mo

V

Ti

HN-40MNCr

0.40-0.50

0.7-1.2

0.17-0.37

0.9-1.1

0.03max

0.03max

0.02max

0.02max

0.02max

HN-65MN

0.62-0.70

0.9-1.2

0.17-0.37

0.25max

0.035max

0.035max

0.02max

0.02max

0.02max

HN-75MNCr

0.70-0.85

0.7-0.8

0.17-0.37

0.4-0.9

0.03max

0.03max

0.02max

0.02max

0.02max

 

Product Description of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

1)Size:from 20mm to 150mm(0.75''-6'')

2)Surface hardness to55-67HRC, volume hardness of 50-63HRC

3)Endurance test times>10000

4)Impact test>12AK.J/CM2

5)Material: HN-65MN,HN-75MNCr,HN-40MNCr meet client's special needs.

6)Chromium percentage: from 0.25 to 1.1%.

7)Heat treatment: cycles.

8)Production Technical: traditional hammer forging; Upsetting forged; Rolling forged

9)Application :Mining ,Cement plant, ,Power station,and other grinding industries

10)Certification:SGS/TUV/BV/COTECNA/ISO9001:2008

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Q:How to cast iron and wrought iron collocation
So we can only watch and ear distinction: 1, see: Iron fracture is rough, showing a bead (for the sake of coarse grain iron), and wrought iron fracture is generally more smooth; if this is a new fracture, but also to see the dark and shiny born iron wrought iron pig iron is bright; the fracture is generally irregular, because it is very brittle, mostly is interrupted, (which is processed, it is very flat and wrought iron) must not be interrupted, mostly by certain way processed separately, so the fracture is generally neat; if the fracture is that is cutting, wrought iron, iron is not cutting; iron surface will not have pores, familiar iron porosity; if a piece of iron is a significant deformation (bending) that is wrought iron because of poor plasticity It doesn't have to be so deformed, it's really bent, or it's broken, or it's obviously cracked, and it doesn't bend very much. There are some details that can not be made clear. It is necessary to have some experience.
Q:Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!
Increase the refractoriness and looseness of core sand
Q:ZGMn13 casting parts processing, with what knife head good?
The ZGMn13 itself is not have processing, if only the processing point, sharpening, ordinary can, if the processing area is relatively large, ZGMn13 external impact load is bigger,
Q:How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
Yantai five God casting is generally 53 yuan /kg, the appearance is quite beautiful
Q:Cast iron, casting parts 5
As a pig iron smelting, iron smelting belongs to physical, two belongs to the chemical refining, smelting, smelting generally not as a product after use, the product can be used as a chemical composition and casting the two refining, in general is to scrap as additional material after melting making products; engine castings have professional manufacturers making castings. You can own professional production of engine castings.
Q:Why does the surface of stainless steel casting mirror mirror ripple?
The surface can be improved by a little more than Xiasha
Q:What should I pay attention to when designing a casting structure?
(2) in the prevention of metal mold casting misrun and cold partition should pay attention to the following problems: the structure of A casting thickness should be appropriate not too thin, especially when casting size when not too thin; the B should avoid a big level, because it makes the liquid metal in the casting. Rise slowly, and the air contact surface, easy oxidation, and because the metal type liquid metal heat quickly, quickly lose liquidity, easy to cause misrun and cold lap, slag and other defects; C casting shape should be streamlined to avoid sharp corners and has sharp change connection structure in order to facilitate the flow of liquid metal. 2 in the design of metal castings in a complex shape, if the production process is very difficult, should not affect the casting conditions, try to make the casting has simple shape, strong structure change, removed from metallic die for.
Q:How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q:We are small castings, the need for surface treatment of shot blasting machine, about how much?
The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine, according to the comprehensive consideration of factors such as yield, size of workpiece commonly used on the market the crawler shot blasting machine has Q324, Q326, Q328, Q3210, and each time the amount of their treatment were 125KG, 200KG, 400KG, 600KG, the specific use of what types also need to be determined according to the actual situation
Q:What kind of flaw detector is better for casting parts?
Casting using the detector test, you must first determine the detection process, such as the detection of surface and near surface crack defects, such as casting, recommended by CYD-3000, or CYD-5000 mobile magnetic testing machine for testing.
Grinding King are leading manufacturer and professional exporter of grinding media balls in China.with the annual output of 50,000 to 70,000 metric tons.Our products grinding media balls are mainly exported to more than 20 countries and regions in the world, such as Japan,Korea,Africa,Zambia,Malaysia,Phillipines,Indonesia,Mongolia,Australia,UAE,Chile etc.

1. Manufacturer Overview

Location Shandong, China
Year Established 2000
Annual Output Value Above US$100 Million
Main Markets Africa; Mid East;South Asia;Southeast Asia;Eastern Asia;Southern Europe
Company Certifications ISO9001;IS014001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao Port; Tianjin Port; Shanghai Port
Export Percentage
No.of Employees in Trade Department 6-10 People
Language Spoken: English;Chinese;
b)Factory Information  
Factory Size: Above 40,000 square meters
No. of Production Lines Above 10
Contract Manufacturing Grinding Ball; Grinding Rod; Cylpeb; Grinding Media; Ball Mill Ball
Product Price Range Average